technical manual operator instructions
technical manual operator instructions
technical manual operator instructions
You also want an ePaper? Increase the reach of your titles
YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.
Table 2-1. PREVENTIVE MAINTENANCE CHECKS AND SERVICES FOR MASK,<br />
CHEMICAL-BIOLOGICAL: M45 (con’t)<br />
ITEM<br />
NO.<br />
12<br />
con' t<br />
INTERVAL LOCATION PROCEDURE NOT FULLY MISSION<br />
CAPABLE IF:<br />
ITEM TO<br />
CHECK/<br />
SERVICE<br />
After Nosecup b. Check that nosecup<br />
and nosecup valve seats<br />
are free of dirt. Check<br />
nosecup for cracks, cuts,<br />
tears or holes. Look at<br />
the inside of nosecup<br />
inner lip where it touches<br />
your skin.<br />
Nosecup is dirty,<br />
cracked, cut, or has<br />
holes.<br />
Nosecup valve seats<br />
are dirty.<br />
c. Rotate nosecup valve<br />
disks (4) to ensure they<br />
are not stuck. Check that<br />
valve disks are not dirty,<br />
curled, or torn.<br />
Nosecup valve disks<br />
are torn, missing, dirty,<br />
or stuck to nosecup<br />
2-33
Change language